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Volume 11, Issue 5 (September-October 2017)
IJT 2017, 11(5): 1-4 |
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Ghiasi F, Mirzargar S S, Ashrafihellan J. Histological Effects of Cadmium on Hepatopancreas and Gill in Cyprinus carpio. IJT 2017; 11 (5) :1-4
URL: http://ijt.arakmu.ac.ir/article-1-537-en.html
URL: http://ijt.arakmu.ac.ir/article-1-537-en.html
1- Department of Fisheries, Faculty of Natural Resources, University of Kurdistan, Sanandaj, Iran. , f.ghiasi@uok.ac.ir
2- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
3- Department of Pathology, Veterinary college, University of Tabriz, Tabriz, Iran.
2- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
3- Department of Pathology, Veterinary college, University of Tabriz, Tabriz, Iran.
Abstract: (4361 Views)
Background: Histological studies in organs like hepatopancreas and gill of the freshwater fish, Cyprinus carpio, were made to assess tissue damage due to sub-lethal concentration of cadmium after a long exposure period.
Methods: This study was conducted in University of Tehran, in 2013. The fish were divided into two groups in 1000 litre fiberglass tanks supplied with dechlorinated water [hardness 302.6 mg CaCo3/l, pH 7, O2 7.8 mg/L and temperature 15 ± 2 ºC] and continuous aeration. Group 1 was without any cadmium considered as control group. Group 2 was exposed to 30 ppb CdCl2 (Merck) containing 7.8 ppb cadmium. The tissue samples from: hepatopancreas, gill were collected 30 days post exposure and processed by histological procedures.
Results: The main lesions in cadmium exposed groups were: (a) pancreatitis necrosis in endocrine part of pancreas (b) cholangitis and necrosis in liver parenchyma (c) hypertrophy, fusion and telangiectasia in secondary lamellae
Conclusion: Cadmium chloride at low concentration can induce pathological alterations in hepatopancreas and gill of common carp.
Methods: This study was conducted in University of Tehran, in 2013. The fish were divided into two groups in 1000 litre fiberglass tanks supplied with dechlorinated water [hardness 302.6 mg CaCo3/l, pH 7, O2 7.8 mg/L and temperature 15 ± 2 ºC] and continuous aeration. Group 1 was without any cadmium considered as control group. Group 2 was exposed to 30 ppb CdCl2 (Merck) containing 7.8 ppb cadmium. The tissue samples from: hepatopancreas, gill were collected 30 days post exposure and processed by histological procedures.
Results: The main lesions in cadmium exposed groups were: (a) pancreatitis necrosis in endocrine part of pancreas (b) cholangitis and necrosis in liver parenchyma (c) hypertrophy, fusion and telangiectasia in secondary lamellae
Conclusion: Cadmium chloride at low concentration can induce pathological alterations in hepatopancreas and gill of common carp.
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Arak University of Medical Sciences in collaboration with the Iranian Society of Toxicology
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